Model Updates

google/gemini-3.1-pro-preview, anthropic/claude-sonnet-4.6, google/gemini-3-pro-image-preview are Now Live.

Retirement Notices

  • Claude Sonnet 4 will be retired by both providers: AWS Bedrock and Anthropic on June 14, 2026. We recommend upgrading to Claude Sonnet 4.6.

  • Claude Opus 4 will be retired by both providers: AWS Bedrock on May 31, 2026 and Anthropic on June 14, 2026. We recommend upgrading to Claude Opus 4.7.

  • Qwen3 Max Thinking Preview will be deprecated and removed on April 24, 2026. We recommend upgrading to Qwen3-Max-Thinking.

  • gpt-5-chat will be deprecated and removed on May 15, 2026.

  • Claude 3.7 Sonnet will be retired by both providers: AWS Bedrock on April 28, 2026, and Google Cloud Vertex AI on May 11, 2026. We recommend upgrading to Claude Sonnet 4.6.

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Billing Anomaly

A billing anomaly was identified. Affected users will receive compensation. Read more.

Subscription Plans

ZenMux Builder Plan

From $20/ month

  • 100+ top AI models at your fingertips
  • Vibe Coding + Image / Video Generation + Chat all in one
  • Works with ClaudeCode / Codex / OpenClaw etc.
  • AI Insurance compensation

Ideal for: Personal development, Vibe Coding, learning, non-production testing.

Pay As You Go

Usage-based billing. Pay what you use.

  • No Rate Limit, high concurrency support
  • Production-grade stability
  • Token-level precise billing, cost control
  • AI Insurance compensation

Ideal for: Production environments, commercial products, enterprise applications.

Detailed Comparison

Feature ZenMux Builder Plan Pay As You Go
Billing Model Fixed monthly fee Pay per actual usage
Best For Personal dev, learning Production, commercial products
Rate Limit 10-15 RPM Unlimited
Concurrency Weekly quota cap Unlimited
Stability Standard Production-grade stability
AI Insurance Auto Compensation Auto Compensation
Cost Predictability High (fixed fee) Medium (usage-based)
Top-up Bonus - +10% Credits
Production Use Prohibited Recommended

Tips

  • Use both plans together! Subscription and PAYG API Keys are completely independent.
  • Use Subscription during development, switch to PAYG when going live — seamless transition.

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FAQs

  • Can I use PAYG credits to purchase a subscription?
  • Can I use both plans simultaneously?